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                        系统设置
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                <h3 class="font-medium text-sm text-gray-500 mb-3">推荐学习路径</h3>
                
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                        <h4 class="font-medium text-primary text-sm">新手指引</h4>
                        <p class="text-xs text-gray-600 mt-1">适合刚接触系统的用户，从基础开始学习</p>
                        <div class="mt-2 flex items-center text-xs text-primary">
                            <span>8个视频</span>
                            <span class="mx-2">•</span>
                            <span>约1小时20分钟</span>
                        </div>
                    </div>
                    
                    <div class="bg-gray-50 p-3 rounded-lg hover:bg-gray-100 transition-colors">
                        <h4 class="font-medium text-gray-700 text-sm">题目管理进阶</h4>
                        <p class="text-xs text-gray-600 mt-1">深入学习题目创建、编辑和批量操作</p>
                        <div class="mt-2 flex items-center text-xs text-gray-500">
                            <span>6个视频</span>
                            <span class="mx-2">•</span>
                            <span>约55分钟</span>
                        </div>
                    </div>
                    
                    <div class="bg-gray-50 p-3 rounded-lg hover:bg-gray-100 transition-colors">
                        <h4 class="font-medium text-gray-700 text-sm">教材与知识点</h4>
                        <p class="text-xs text-gray-600 mt-1">学习教材管理和知识点关联技巧</p>
                        <div class="mt-2 flex items-center text-xs text-gray-500">
                            <span>7个视频</span>
                            <span class="mx-2">•</span>
                            <span>约1小时10分钟</span>
                        </div>
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                    查看全部路径
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                    <h2 class="text-[clamp(1.5rem,3vw,2rem)] font-bold text-gray-800">视频教程</h2>
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                    <div class="bg-white rounded-xl shadow-sm overflow-hidden">
                        <div class="relative video-thumbnail">
                            <img src="https://picsum.photos/id/24/1200/600" alt="系统概览与快速入门" class="w-full aspect-video object-cover">
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                                <div class="w-20 h-20 rounded-full bg-white bg-opacity-20 flex items-center justify-center backdrop-blur-sm play-icon">
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                                        <i class="fa fa-play text-xl"></i>
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                            <div class="absolute bottom-4 left-4 bg-black bg-opacity-70 text-white text-sm px-2 py-1 rounded">
                                <i class="fa fa-clock-o mr-1"></i> 22:45
                            </div>
                            <div class="absolute top-4 right-4 bg-danger text-white text-xs px-2 py-1 rounded-full">
                                推荐
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                        </div>
                        
                        <div class="p-5">
                            <h4 class="font-bold text-xl mb-2">系统概览与快速入门</h4>
                            <p class="text-gray-600 mb-4">本视频将为您介绍智慧题库系统的整体功能和界面布局，帮助您快速了解系统的核心功能和使用方法，适合新用户快速上手。</p>
                            
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                                    <span class="ml-2 text-sm text-gray-700">李教授</span>
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                                <div class="flex items-center space-x-4 text-sm text-gray-500">
                                    <span class="flex items-center"><i class="fa fa-eye mr-1"></i> 12,458</span>
                                    <span class="flex items-center"><i class="fa fa-comment-o mr-1"></i> 128</span>
                                    <span class="flex items-center"><i class="fa fa-thumbs-o-up mr-1"></i> 986</span>
                                </div>
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                        </div>
                    </div>
                </div>
                
                <!-- 视频列表 -->
                <div class="mb-8">
                    <h3 class="font-bold text-lg mb-4">系统入门</h3>
                    
                    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
                        <!-- 视频1 -->
                        <div class="bg-white rounded-xl shadow-sm overflow-hidden video-card-hover">
                            <div class="relative video-thumbnail">
                                <img src="https://picsum.photos/id/42/600/400" alt="账号注册与登录" class="w-full aspect-video object-cover">
                                <div class="absolute inset-0 bg-black bg-opacity-40 flex items-center justify-center opacity-0 hover:opacity-100 transition-opacity">
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                                <div class="absolute bottom-2 right-2 bg-black bg-opacity-70 text-white text-xs px-2 py-0.5 rounded">
                                    10:15
                                </div>
                            </div>
                            
                            <div class="p-4">
                                <h4 class="font-medium mb-2 line-clamp-2">账号注册与登录指南</h4>
                                <p class="text-gray-500 text-sm mb-3 line-clamp-2">学习如何注册账号、登录系统以及密码找回的方法。</p>
                                
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                                    <div class="progress-value" style="width: 0%"></div>
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                                <div class="flex items-center justify-between text-xs text-gray-500">
                                    <span>未观看</span>
                                    <span><i class="fa fa-eye mr-1"></i> 8,245</span>
                                </div>
                            </div>
                        </div>
                        
                        <!-- 视频2 -->
                        <div class="bg-white rounded-xl shadow-sm overflow-hidden video-card-hover">
                            <div class="relative video-thumbnail">
                                <img src="https://picsum.photos/id/20/600/400" alt="界面导航与功能布局" class="w-full aspect-video object-cover">
                                <div class="absolute inset-0 bg-black bg-opacity-40 flex items-center justify-center opacity-0 hover:opacity-100 transition-opacity">
                                    <div class="w-14 h-14 rounded-full bg-white bg-opacity-20 flex items-center justify-center backdrop-blur-sm play-icon">
                                        <div class="w-12 h-12 rounded-full bg-primary flex items-center justify-center text-white">
                                            <i class="fa fa-play"></i>
                                        </div>
                                    </div>
                                </div>
                                <div class="absolute bottom-2 right-2 bg-black bg-opacity-70 text-white text-xs px-2 py-0.5 rounded">
                                    15:30
                                </div>
                            </div>
                            
                            <div class="p-4">
                                <h4 class="font-medium mb-2 line-clamp-2">界面导航与功能布局</h4>
                                <p class="text-gray-500 text-sm mb-3 line-clamp-2">了解系统的整体界面布局和各功能模块的位置。</p>
                                
                                <div class="progress-bar mb-2">
                                    <div class="progress-value" style="width: 65%"></div>
                                </div>
                                
                                <div class="flex items-center justify-between text-xs text-gray-500">
                                    <span>已观看65%</span>
                                    <span><i class="fa fa-eye mr-1"></i> 6,782</span>
                                </div>
                            </div>
                        </div>
                        
                        <!-- 视频3 -->
                        <div class="bg-white rounded-xl shadow-sm overflow-hidden video-card-hover">
                            <div class="relative video-thumbnail">
                                <img src="https://picsum.photos/id/96/600/400" alt="个人资料设置" class="w-full aspect-video object-cover">
                                <div class="absolute inset-0 bg-black bg-opacity-40 flex items-center justify-center opacity-0 hover:opacity-100 transition-opacity">
                                    <div class="w-14 h-14 rounded-full bg-white bg-opacity-20 flex items-center justify-center backdrop-blur-sm play-icon">
                                        <div class="w-12 h-12 rounded-full bg-primary flex items-center justify-center text-white">
                                            <i class="fa fa-play"></i>
                                        </div>
                                    </div>
                                </div>
                                <div class="absolute bottom-2 right-2 bg-black bg-opacity-70 text-white text-xs px-2 py-0.5 rounded">
                                    08:45
                                </div>
                            </div>
                            
                            <div class="p-4">
                                <h4 class="font-medium mb-2 line-clamp-2">个人资料设置与偏好调整</h4>
                                <p class="text-gray-500 text-sm mb-3 line-clamp-2">学习如何完善个人资料和调整系统偏好设置。</p>
                                
                                <div class="progress-bar mb-2">
                                    <div class="progress-value" style="width: 100%"></div>
                                </div>
                                
                                <div class="flex items-center justify-between text-xs text-gray-500">
                                    <span class="text-green-500"><i class="fa fa-check mr-1"></i> 已完成</span>
                                    <span><i class="fa fa-eye mr-1"></i> 5,321</span>
                                </div>
                            </div>
                        </div>
                        
                        <!-- 视频4 -->
                        <div class="bg-white rounded-xl shadow-sm overflow-hidden video-card-hover">
                            <div class="relative video-thumbnail">
                                <img src="https://picsum.photos/id/180/600/400" alt="系统通知与消息" class="w-full aspect-video object-cover">
                                <div class="absolute inset-0 bg-black bg-opacity-40 flex items-center justify-center opacity-0 hover:opacity-100 transition-opacity">
                                    <div class="w-14 h-14 rounded-full bg-white bg-opacity-20 flex items-center justify-center backdrop-blur-sm play-icon">
                                        <div class="w-12 h-12 rounded-full bg-primary flex items-center justify-center text-white">
                                            <i class="fa fa-play"></i>
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                                    </div>
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                                <div class="absolute bottom-2 right-2 bg-black bg-opacity-70 text-white text-xs px-2 py-0.5 rounded">
                                    12:10
                                </div>
                            </div>
                            
                            <div class="p-4">
                                <h4 class="font-medium mb-2 line-clamp-2">系统通知与消息管理</h4>
                                <p class="text-gray-500 text-sm mb-3 line-clamp-2">了解如何查看和管理系统通知及消息。</p>
                                
                                <div class="progress-bar mb-2">
                                    <div class="progress-value" style="width: 0%"></div>
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                                <div class="flex items-center justify-between text-xs text-gray-500">
                                    <span>未观看</span>
                                    <span><i class="fa fa-eye mr-1"></i> 4,876</span>
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                        <!-- 视频5 -->
                        <div class="bg-white rounded-xl shadow-sm overflow-hidden video-card-hover">
                            <div class="relative video-thumbnail">
                                <img src="https://picsum.photos/id/48/600/400" alt="帮助中心使用" class="w-full aspect-video object-cover">
                                <div class="absolute inset-0 bg-black bg-opacity-40 flex items-center justify-center opacity-0 hover:opacity-100 transition-opacity">
                                    <div class="w-14 h-14 rounded-full bg-white bg-opacity-20 flex items-center justify-center backdrop-blur-sm play-icon">
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                                <div class="absolute bottom-2 right-2 bg-black bg-opacity-70 text-white text-xs px-2 py-0.5 rounded">
                                    09:30
                                </div>
                            </div>
                            
                            <div class="p-4">
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